are screwdriver examples which I would like to purchase or borrow for
Company / PAT APRIL 16, 1895: This sprial/ratchet
looks very similar to the basic NORTH BROTHERS MANUFACTURING CO.
No. 30 (Handle is different shape, has two shifters on opposite
of barrel, chuck is different)
Forest City Screwdriver Company: This
automatic drill probably looks very similar to the NORTH BROTHERS
CO. (YANKEE) No. 40
/ PAT. APPD. / FT. WAYNE, IND.: There are four different models
which bear inscriptions similar to this. I am particularly interested
model which has a single spiral (RH only).
/ PAT. MAR. 4 - 1890 / DECATUR COFFIN CO. / DECATUR IL.: This is
similar to the other Decatur Coffin Co. screwdrivers but utilizes a
for interchangeable screwdriver tips.
/ Decatur, Ill. / PAT. . JULY 30, 1889: Most H. Mueller
screwdrivers which you will see follow closely the basic conventional
of other makers and do not resemble the patent illustration at
This illustration is of an earlier model in the style of an
drill which does resemble the patent (exposed shaft with sliding handle
which houses the clutch mechanism).
THE L. S.
/ ATHOL, MASS. U.S.A./ NO. 801 / PAT. APPLIED FOR: There
are two models of this screwdriver - with a return spring and without a